CN103956294B - Solid-encapsulation insulation outdoor high-voltage switchgear - Google Patents

Solid-encapsulation insulation outdoor high-voltage switchgear Download PDF

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Publication number
CN103956294B
CN103956294B CN201410174752.XA CN201410174752A CN103956294B CN 103956294 B CN103956294 B CN 103956294B CN 201410174752 A CN201410174752 A CN 201410174752A CN 103956294 B CN103956294 B CN 103956294B
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CN
China
Prior art keywords
insulation
vacuum tube
shell
outdoor high
voltage switchgear
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201410174752.XA
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Chinese (zh)
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CN103956294A (en
Inventor
张贵超
周友东
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NINGBO XINGBANG ELECTRIC CO Ltd
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NINGBO XINGBANG ELECTRIC CO Ltd
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Priority to CN201410174752.XA priority Critical patent/CN103956294B/en
Publication of CN103956294A publication Critical patent/CN103956294A/en
Application granted granted Critical
Publication of CN103956294B publication Critical patent/CN103956294B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to outdoor high-voltage switchgear, in particular to solid-encapsulation insulation outdoor high-voltage switchgear. The solid-encapsulation insulation outdoor high-voltage switchgear comprises a shell. External connection insulating sleeves which extend into the shell are installed on two corresponding side faces of the shell. An insulation frame seat is installed in the shell. Insulation frame sleeve parts are arranged on two corresponding side faces of the insulation frame seat. The insulation frame sleeve parts are connected with the insulating sleeves in an inserted mode. A vacuum tube chamber is formed in the insulation frame seat. A vacuum tube is arranged inside the vacuum tube chamber. Connectors at the two ends of the vacuum tube are connected with loop parts installed on the insulation frame sleeve parts. The vacuum tube chamber and the connectors are enclosed space. According to the solid-encapsulation insulation outdoor high-voltage switchgear, enough power frequency withstand voltage levels are provided between phases and between phases and the ground; the 10KV outdoor high-voltage switchgear truly realizes disconnector miniaturization, saves energy, and is environmentally friendly, safe and reliable.

Description

Sealing insulation outdoor high voltage switchgear
Technical field
The present invention relates to a kind of outdoor high voltage switchgear, refer in particular to a kind of sealing insulation outdoor high voltage switchgear.
Background technology
Insulate between the phase and phase of outdoor high-voltage vacuum open circuit and between phase and ground and typically adopt two methods:First, phase and phase Between and phase and ground between keep larger insulating space and creep age distance, such as widely used ZW32-12 series outdoor high-voltage vacuum breaks Road.Second, using seal case, in casing, pour inert gas (as SF6 gas), such as ZW20-12 series outdoor high-voltage vacuum Open circuit.The defect of first method is that whole product size is very big, takes up room big, and waste of materials does not minimize together in product Trend.The defect of second method be casing Long-Time Service may gas leakage, the row fortune management difficulty of switch is big, such as product line fortune Middle explode, the toxic gas harm environment and mankind can be discharged, and product usage cycles terminate rear inert gas treatment very Difficulty, can cause long-range circumstances to pollute, national correlation department is also being formulated discharge standard, will not permitted for medium voltage breaker Permitted to use SF6 gas.
Content of the invention
First, technical problem to be solved
The purpose of the present invention is for the problems referred to above existing for prior art, special provide a kind of have miniaturization, do not have Sealing insulation outdoor high voltage switchgear having environmental pollution, being easy to row fortune management.
2nd, technical scheme
For solving above-mentioned technical problem, sealing insulation outdoor high voltage switchgear of the present invention, include shell, wherein, on State the corresponding two sides of shell and the external insulating sleeve extending to inside the shell be installed, above-mentioned inside the shell is provided with insulation skeleton frame, The corresponding both sides of above-mentioned insulation skeleton frame are provided with insulation frame cannula portion, and this insulation frame cannula portion is inserted with above-mentioned external insulating sleeve Connect, in above-mentioned insulation skeleton frame, be provided with vacuum tube room, this vacuum tube interior is provided with vacuum tube, two end connectors of above-mentioned vacuum tube with The circuit element being arranged in insulation frame cannula portion is connected, and above-mentioned vacuum tube room and above-mentioned blank area are confined space.
As optimization, above-mentioned insulation skeleton frame is provided with insulating lid, above-mentioned insulating lid and insulation skeleton frame and above-mentioned external absolutely Edge sleeve pipe and insulation frame cannula portion all pad existing sealing cooperation by insulated enclosure.
As optimization, above-mentioned vacuum tube is provided with motion pivoted arm, motion pivoted arm one end is hinged with insulated tension pole, above-mentioned exhausted Edge lid is provided with circular bosses, and this circular bosses is had the through hole being connected with vacuum tube room, above-mentioned motion pivoted arm stretch out through hole with absolutely Edge pull bar is hinged, and above-mentioned insulated tension pole is tightly connected by the soft set of silica gel with the circular bosses on insulating lid.
As optimization, above-mentioned insulating lid is provided with two-layer and encloses bone, the upper port of above-mentioned insulation skeleton frame is plugged on two-layer and encloses Between bone, above-mentioned insulated enclosure pad is arranged on the enclosing inside bone groove of insulating lid.
3rd, beneficial effects of the present invention
Compared with prior art, the present invention passes through to seal vacuum tube room and increases creep age distance, makes miniaturization open circuit utensil There are enough dielectric strengths, industrial frequency withstand voltage is much higher than national standard, national standard requires the test of 10KV high-tension switch gear can lead to Cross industrial frequency withstand voltage 42KV (a minute), with the model machine of present invention trial-production, through actual measurement, high pressure examination can pass through industrial frequency withstand voltage 52KV ( Minute) more than.The present invention is one and really realizes breaker miniaturization, energy-conserving and environment-protective, safe and reliable outdoor high-voltage switch sets Standby.
Brief description
Fig. 1 is sealing insulation outdoor high voltage switchgear closing position profile of the present invention;
Fig. 2 is sealing insulation outdoor high voltage switchgear open position profile of the present invention.
In figure, 1 is shell, and 2 is external insulating sleeve, and 3 is insulation skeleton frame, and 4 is insulation frame cannula portion, and 5 is vacuum tube room, 6 is vacuum tube, and 7 is circuit element, and 8 is insulating lid, and 9 is circular bosses, and 10 is the soft set of silica gel, and 11 is to enclose bone, and 12 is motion pivoted arm, 13 is insulated tension pole, and 14 is insulated enclosure pad, and 15 is three-phase power transmission shaft.
Specific embodiment
Below in conjunction with the accompanying drawings sealing of the present invention insulation outdoor high voltage switchgear is described further:
Embodiment one:As illustrated in fig. 1 and 2, sealing insulation outdoor high voltage switchgear of the present invention, includes shell 1, its In, the corresponding two sides of above-mentioned shell 1 are provided with the external insulating sleeve 2 extending in shell 1, are provided with above-mentioned shell 1 Insulation skeleton frame 3, the corresponding both sides of above-mentioned insulation skeleton frame 3 are provided with insulation frame cannula portion 4, and this insulation frame cannula portion 4 is outer with above-mentioned Connect insulating sleeve 2 grafting, in above-mentioned insulation skeleton frame 3, be provided with vacuum tube room 5, in this vacuum tube room 5, be provided with vacuum tube 6, above-mentioned Two end connectors of vacuum tube 6 are connected with the circuit element 7 being arranged in insulation frame cannula portion 4, form primary current loop, above-mentioned Circuit element 7 includes the conductive interface being arranged in insulation frame cannula portion 4, the joint of above-mentioned vacuum tube 6 and this conductive interface Grafting, meanwhile, the copper of vacuum tube 6 extension touches line and is electrically connected to form galvanic circle with above-mentioned conductive interface;Above-mentioned vacuum tube room 5 and Above-mentioned blank area is confined space;Insulating lid 8 is provided with above-mentioned insulation skeleton frame 3, above-mentioned insulating lid 8 and insulation skeleton frame 3 and Above-mentioned external insulating sleeve 2 all realizes sealing cooperation by insulated enclosure pad 14 with insulation frame cannula portion 4;On above-mentioned vacuum tube 6 Motion pivoted arm 12 is installed, motion pivoted arm 12 other end is hinged with insulated tension pole 13, above-mentioned insulating lid 8 is provided with circular bosses 9, should The through hole being connected with vacuum tube room 5 is had on circular bosses 9, it is hinged with insulated tension pole 13 that above-mentioned motion pivoted arm 12 stretches out through hole, on State one end of insulated tension pole 13 and insulating lid 8 passes through the soft set 10 of silica gel and is tightly connected, the other end is connected on three-phase power transmission shaft 15 Face.So, (above-mentioned vacuum tube 6, motion pivoted arm 12,6 liang of end connectors of vacuum tube and circuit element 7 are equal to make charging member in equipment Charging member) primary current loop fully seal isolation with uncharged outdoor section, reach sealing insulation.
Two-layer is provided with above-mentioned insulating lid 8 and encloses bone 11, the upper port of above-mentioned insulation skeleton frame 3 be plugged on two-layer enclose bone 11 it Between, above-mentioned insulated enclosure pad 14 is arranged on the enclosing inside bone groove of insulating lid 8;The two-layer of above-mentioned insulating lid 8 encloses bone 11 also long enough, The vacuum tube room 5 of charging member is made to have enough creep age distances with uncharged outdoor section.
As shown in Fig. 2 when breaker is from closing position to open position, an angle of 12 turns of motion pivoted arm, silica gel is soft Cover 10 slight deformation, so that motion pivoted arm 12 and other charging members is still sealed in vacuum tube room 5, insulation effect and closing position Identical.
As illustrated in fig. 1 and 2, in any position, the vacuum chamber of charging member and uncharged outdoor section have foot to breaker Enough creep age distances and dielectric strength;Reach the purpose of sealing insulation.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art For member, on the premise of without departing from the technology of the present invention principle, some improvements and modifications can also be made, these improvements and modifications Also should be regarded as protection scope of the present invention.

Claims (2)

1. a kind of sealing insulate outdoor high voltage switchgear, include shell it is characterised in that:The corresponding two sides of described shell The external insulating sleeve extending to inside the shell is installed, described inside the shell is provided with insulation skeleton frame, the correspondence of described insulation skeleton frame Both sides are provided with insulation frame cannula portion, this insulation frame cannula portion and described external insulating sleeve grafting, set in described insulation skeleton frame Have vacuum tube room, this vacuum tube interior is provided with vacuum tube, two end connectors of described vacuum tube be arranged on insulation frame cannula portion On circuit element be connected, described vacuum tube room and described blank area are confined space;
On described insulation skeleton frame, insulating lid is installed, described insulating lid with insulation skeleton frame and described external insulating sleeve with insulation frame Cannula portion all pads existing sealing cooperation by insulated enclosure;
Motion pivoted arm is provided with described vacuum tube, motion pivoted arm one end is hinged with insulated tension pole, and described insulating lid is provided with circle Boss, this circular bosses is had the through hole being connected with vacuum tube room, and it is hinged with insulated tension pole that described motion pivoted arm stretches out through hole, institute State insulated tension pole to be tightly connected by the soft set of silica gel with the circular bosses on insulating lid.
2. sealing according to claim 1 insulation outdoor high voltage switchgear it is characterised in that:Arrange on described insulating lid Two-layer is had to enclose bone, the upper port of described insulation skeleton frame is plugged on two-layer and encloses between bone, and described insulated enclosure pad is arranged on insulating lid Enclose inside bone groove.
CN201410174752.XA 2014-04-28 2014-04-28 Solid-encapsulation insulation outdoor high-voltage switchgear Expired - Fee Related CN103956294B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410174752.XA CN103956294B (en) 2014-04-28 2014-04-28 Solid-encapsulation insulation outdoor high-voltage switchgear

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Application Number Priority Date Filing Date Title
CN201410174752.XA CN103956294B (en) 2014-04-28 2014-04-28 Solid-encapsulation insulation outdoor high-voltage switchgear

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CN103956294A CN103956294A (en) 2014-07-30
CN103956294B true CN103956294B (en) 2017-02-15

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0594742A (en) * 1991-10-01 1993-04-16 Mitsubishi Electric Corp Vacuum switchgear
CN101916688A (en) * 2010-08-06 2010-12-15 郑文秀 Totally shielded touchable vacuum circuit breaker used on outdoor column
CN101981645A (en) * 2008-04-07 2011-02-23 三菱电机株式会社 Vacuum breaker and gas insulated switchgear using the same
CN203787341U (en) * 2014-04-28 2014-08-20 宁波兴邦电器有限公司 Solid-sealed insulated outdoor high-voltage switchgear

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201311874Y (en) * 2008-10-20 2009-09-16 华仪电气股份有限公司 Outdoor AD vacuum circuit breaker and insulated supporting seat thereof
CN101894703B (en) * 2010-04-19 2013-07-03 宏秀电气有限公司 High-voltage vacuum switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0594742A (en) * 1991-10-01 1993-04-16 Mitsubishi Electric Corp Vacuum switchgear
CN101981645A (en) * 2008-04-07 2011-02-23 三菱电机株式会社 Vacuum breaker and gas insulated switchgear using the same
CN101916688A (en) * 2010-08-06 2010-12-15 郑文秀 Totally shielded touchable vacuum circuit breaker used on outdoor column
CN203787341U (en) * 2014-04-28 2014-08-20 宁波兴邦电器有限公司 Solid-sealed insulated outdoor high-voltage switchgear

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Granted publication date: 20170215

Termination date: 20190428